It is hard to guess what a Guyenne spiny rat weights. But we have the answer:
An adult Guyenne spiny rat (Proechimys cayennensis) on average weights 315 grams (0.69 lbs).
The Guyenne spiny rat is from the family Echimyidae (genus: Proechimys). It is usually born with about 24 grams (0.05 lbs). They can live for up to 4.75 years. When reaching adult age, they grow up to 22 cm (0′ 9″). Usually, Guyenne spiny rats have 2 babies per litter.
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The Guyenne spiny-rat, Proechimys guyannensis, or Cayenne spiny rat, is a spiny rat species from South America. It is found in Brazil, Colombia, French Guiana, Guyana, Surinam and Venezuela.
Animals of the same family as a Guyenne spiny rat
We found other animals of the Echimyidae family:
- Golden Atlantic tree-rat with a weight of 243 grams
- Guaira spiny rat with a weight of 349 grams
- Yellow-crowned brush-tailed rat with a weight of 445 grams
- Drab Atlantic tree-rat with a weight of 260 grams
- Mouse-tailed Atlantic spiny rat with a weight of 285 grams
- Roberto’s spiny rat with a weight of 284 grams
- Greedy olalla rat with a weight of 206 grams
- White-tailed olalla rat with a weight of 274 grams
- Boyacá spiny rat with a weight of 284 grams
- O’Connell’s spiny rat with a weight of 284 grams
Animals with the same weight as a Guyenne spiny rat
As a comparison, here are some other animals that weight as much as the Proechimys cayennensis:
- Richardson’s ground squirrel bringing 325 grams to the scale
- Steere’s spiny rat bringing 284 grams to the scale
- Greater stick-nest rat bringing 329 grams to the scale
- Bioko Allen’s bushbaby bringing 268 grams to the scale
- Black-shouldered opossum bringing 258 grams to the scale
- Sulawesi giant rat bringing 325 grams to the scale
- Short-tailed spiny rat bringing 284 grams to the scale
- Speckled ground squirrel bringing 252 grams to the scale
- O’Connell’s spiny rat bringing 284 grams to the scale
- Common marmoset bringing 291 grams to the scale
Animals with the same size as a Guyenne spiny rat
Not that size really matters, but it makes things comparable. So here are a couple of animals that are as big as Guyenne spiny rat:
- Buffy-headed marmoset with a size of 24 cm (0′ 10″)
- Deppe’s squirrel with a size of 20 cm (0′ 8″)
- Hugh’s hedgehog with a size of 20 cm (0′ 8″)
- Ceram fruit bat with a size of 20.2 cm (0′ 8″)
- Three-striped ground squirrel with a size of 17.7 cm (0′ 7″)
- Sulawesi flying fox with a size of 20.1 cm (0′ 8″)
- Halmahera naked-backed fruit bat with a size of 17.8 cm (0′ 8″)
- Golden-mantled ground squirrel with a size of 21.4 cm (0′ 9″)
- Cape York rat with a size of 18.9 cm (0′ 8″)
- Yellow-faced pocket gopher with a size of 19.2 cm (0′ 8″)
Animals with the same litter size as a Guyenne spiny rat
Here is a list of animals that have the same number of babies per litter (2) as a Guyenne spiny rat:
- Big deer mouse
- Mexican vole
- Red-legged sun squirrel
- Tolai hare
- Lesser bamboo rat
- Central African oyan
- Mountain degu
- Reindeer
- Large-scaled mosaic-tailed rat
- Moncton’s mosaic-tailed rat
Animals with the same life expectancy as a Guyenne spiny rat
Completely different animals, but becoming as old as a Guyenne spiny rat:
- Lemur-like ringtail possum with an average maximal age of 4 years
- Forest giant squirrel with an average maximal age of 5.08 years
- Hairy-tailed mole with an average maximal age of 5 years
- Wood mouse with an average maximal age of 4.33 years
- Berdmore’s ground squirrel with an average maximal age of 4.25 years
- Banded hare-wallaby with an average maximal age of 4 years
- Brown-tailed mongoose with an average maximal age of 4.75 years
- Sand-colored soft-furred rat with an average maximal age of 4 years
- White-bellied duiker with an average maximal age of 5.25 years
- Brown four-eyed opossum with an average maximal age of 4 years